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公开(公告)号：US10914341B2
公开(公告)日：2021-02-09
申请号：US16610676
申请日：2018-05-23
申请人： THK CO., LTD.
摘要： The motion guide device includes a lubricant supply passage provided in at least one of a pair of cover members provided to a movable member and configured to supply lubricant to an endless circulation passage, in which the lubricant supply passage includes at least a first lubricant supply passage α formed to extend in a direction orthogonal to a longitudinal direction of the track member from at least one of a left side surface and a right side surface of the cover member, and a second lubricant supply passage β connected to the first lubricant supply passage α, and a passage shape in a place connected to the first lubricant supply passage α of the second lubricant supply passage β is configured as a diameter-expanded hollow section having a diameter more expanded than a passage shape of another place. Thus, a new form of a cover member is provided.
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公开(公告)号：US20200332833A1
公开(公告)日：2020-10-22
申请号：US16643055
申请日：2018-08-14
申请人： THK CO., LTD.
发明人： Hiroyuki Kishi , Mitsumasa Wada , Hiroyoshi Yasutake , Eriko Oshima , Shinji Aoki , Takuma Tsunoda
IPC分类号： F16C29/06
摘要： A motion guide device includes: a track member including a rolling member rolling surface; a movable member including a loaded rolling member rolling surface, and a rolling member return passage; a pair of cap members including a direction change passage connecting the loaded rolling member rolling surface and the rolling member return passage; and a plurality of rolling members arrayed in a rollable manner on a loaded rolling member rolling passage, the rolling member return passage, and a pair of the direction change passages, the loaded rolling member rolling passage being made up of the rolling member rolling surface and the loaded rolling member rolling surface. A gap between the rolling member and the direction change passage at a boundary portion X is formed so as to become smaller than a gap between the rolling member and the rolling member rolling surface at the boundary portion.
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公开(公告)号：US11199222B2
公开(公告)日：2021-12-14
申请号：US16643055
申请日：2018-08-14
申请人： THK CO., LTD.
发明人： Hiroyuki Kishi , Mitsumasa Wada , Hiroyoshi Yasutake , Eriko Oshima , Shinji Aoki , Takuma Tsunoda
IPC分类号： F16C29/06
摘要： A motion guide device includes: a track member including a rolling member rolling surface; a movable member including a loaded rolling member rolling surface, and a rolling member return passage; a pair of cap members including a direction change passage connecting the loaded rolling member rolling surface and the rolling member return passage; and a plurality of rolling members arrayed in a rollable manner on a loaded rolling member rolling passage, the rolling member return passage, and a pair of the direction change passages, the loaded rolling member rolling passage being made up of the rolling member rolling surface and the loaded rolling member rolling surface. A gap between the rolling member and the direction change passage at a boundary portion X is formed so as to become smaller than a gap between the rolling member and the rolling member rolling surface at the boundary portion.
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公开(公告)号：US20230258232A1
公开(公告)日：2023-08-17
申请号：US18014666
申请日：2021-07-05
申请人： THK CO., LTD.
IPC分类号： F16C29/06
CPC分类号： F16C29/06
摘要： A guide device includes a track member and a moving member engaged with the track member with a plurality of rolling elements interposed therebetween. A lubricating path is formed in the moving member for supplying lubricant to a circulation path for the rolling elements. The lubricating path has a common path including an inlet portion that serves as a supply port for the lubricant, a first path through which grease flows, and a second path through which lubricating oil flows. A cross-sectional area of the second path is smaller than a cross-sectional area of the first path, and in the common path, a second communication portion of the second path is located closer to the inlet portion than a first communication portion of the first path. Further, the guide device includes a plug member for blocking the inlet portion of the common path, the plug member being removable and able to be moved within the common path.
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公开(公告)号：US20230182247A1
公开(公告)日：2023-06-15
申请号：US17925641
申请日：2021-05-24
申请人： THK CO., LTD.
发明人： Hiroyuki Kishi , Ryuji Furusawa , Tomomitsu Hirohashi , Ayako Miyajima , Hiroyoshi Yasutake , Ryunosuke Ozeki , Ryosuke Maruki
CPC分类号： B23Q3/005 , B23Q11/0032 , F16C32/0633 , F16C32/064
摘要： A guide apparatus includes a track member, a movable member having a first rolling surface that forms a load rolling passage together with a rolling surface of the track member, and a damper provided on a first surface. The first surface is at least a portion of the surface of the movable member opposed to the track member excluding the first rolling surface. The damper includes a plate member disposed in such a way as to cover the first area and a reservoir space formed between one surface of the plate member and the first area. The reservoir space contains a damping medium and allows the plate member to displace relative to the first area. The damper is provided on the movable member in such a way that the other surface of the plate member slides on at least a portion of the surface of the track member opposed to the movable member.
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公开(公告)号：US20200158172A1
公开(公告)日：2020-05-21
申请号：US16610676
申请日：2018-05-23
申请人： THK CO., LTD.
摘要： The motion guide device includes a lubricant supply passage provided in at least one of a pair of cover members provided to a movable member and configured to supply lubricant to an endless circulation passage, in which the lubricant supply passage includes at least a first lubricant supply passage α formed to extend in a direction orthogonal to a longitudinal direction of the track member from at least one of a left side surface and a right side surface of the cover member, and a second lubricant supply passage β connected to the first lubricant supply passage α, and a passage shape in a place connected to the first lubricant supply passage α of the second lubricant supply passage β is configured as a diameter-expanded hollow section having a diameter more expanded than a passage shape of another place. Thus, a new form of a cover member is provided.
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